C31232233133313221211113313331333133313132331133132313231323131121   >>    C3123223313331322121111331333133313331313233113313231323132313112   <<    C31232233133313221211113313331333133313132331133132313231323131123   >>      C31232233133313221211113313331333133313132331133132313231323131122   >>