C31232233133313221211113313331333133313331212111133131333133322233131   >>    C3123223313331322121111331333133313331333121211113313133313332223313   <<    C31232233133313221211113313331333133313331212111133131333133322233133   >>      C31232233133313221211113313331333133313331212111133131333133322233132   >>