C11111333133313232233133313331333133313332313331121133132313231311131211   >>    C1111133313331323223313331333133313331333231333112113313231323131113121   <<    C11111333133313232233133313331333133313332313331121133132313231311131213   >>      C11111333133313232233133313331333133313332313331121133132313231311131212   >>