C31232233133313221211113313331333131211113313231333133112131121   >>    C3123223313331322121111331333133313121111331323133313311213112   <<    C31232233133313221211113313331333131211113313231333133112131123   >>      C31232233133313221211113313331333131211113313231333133112131122   >>