C31232233133313221211113313331333131211113313231333133323223312111   >>    C3123223313331322121111331333133313121111331323133313332322331211   <<    C31232233133313221211113313331333131211113313231333133323223312113   >>      C31232233133313221211113313331333131211113313231333133323223312112   >>