SR R R  R      RRRRRRRRRRRRRRRRRRRRRRRRRtRR
             tttttttttttttttttttttttttttttttttttttttt RR
              RttRtttttttRttttRtttRtttttttttttttttttt tR
              tttttttt tRt t t tctt t t t tttttttttttttt
              ttttttRtRtRttRtttttttRtRtRRRtttttttttttttt
              tttR                                  R tt
             ttttttttttttttttttttttttttttttttttttttttttt
             SSSSSSSSSSSSSSSSSStttSRttRtttSRRSSSSSSSSSSS
             SSttSS SS S SS  SSCCCSCCCRCCCSCCSSSSSSSSSSS
             SSStt  SS SSSSS SSRStttSttSRRtSttSSSSSSSSSS
             SSSSSSSSSSSSSSSSSStSttStttSttSttSttttSSSSSS
             SSS SS SSSSSSSSSSStSttStttSttSttSttttSSSSSS
             SSSSSSSSSSSSSSSSSSSS                    SSS
             SSSSSSSSSSSSSSSSSSSSttttttttttttttttttttSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS SSSSSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSStRttS SS SS SSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
             SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS

                     R      R





             StttttttttttttttttttCtttctttRtttttttttttttt
             ttttttttttttttRCCCCttttttttttRtttttCttttttt
             tRtttRttttttttR t ttRtttt tttR ttttCtCS ttt