C31232233133313221211113313331333131211113313231333133322212111   >>    C3123223313331322121111331333133313121111331323133313332221211   <<    C31232233133313221211113313331333131211113313231333133322212113   >>      C31232233133313221211113313331333131211113313231333133322212112   >>