C31232233133313221211113313331333132313331333133313231333133322121   >>    C3123223313331322121111331333133313231333133313331323133313332212   <<    C31232233133313221211113313331333132313331333133313231333133322123   >>      C31232233133313221211113313331333132313331333133313231333133322122   >>