C31232233133313221211113313331333133313331212111133133312232321   >>    C3123223313331322121111331333133313331333121211113313331223232   <<    C31232233133313221211113313331333133313331212111133133312232323   >>      C31232233133313221211113313331333133313331212111133133312232322   >>