C31232233133313221211113313331333133313112113231323133313233122321   >>    C3123223313331322121111331333133313331311211323132313331323312232   <<    C31232233133313221211113313331333133313112113231323133313233122323   >>      C31232233133313221211113313331333133313112113231323133313233122322   >>