C313212111113331323312111133133313331333133312121111331333222233133322331   >>    C31321211111333132331211113313331333133313331212111133133322223313332233   <<    C313212111113331323312111133133313331333133312121111331333222233133322333   >>      C313212111113331323312111133133313331333133312121111331333222233133322332   >>