C31232233133313221211113313331311331333133112133313231333132331321   >>    C3123223313331322121111331333131133133313311213331323133313233132   <<    C31232233133313221211113313331311331333133112133313231333132331323   >>      C31232233133313221211113313331311331333133112133313231333132331322   >>