C31232233133313221211113313331333133313311211231211113313113313231111231   >>    C3123223313331322121111331333133313331331121123121111331311331323111123   <<    C31232233133313221211113313331333133313311211231211113313113313231111233   >>      C31232233133313221211113313331333133313311211231211113313113313231111232   >>