C31232233133313221211113313331333133313331212111133133322331322122311   >>    C3123223313331322121111331333133313331333121211113313332233132212231   <<    C31232233133313221211113313331333133313331212111133133322331322122313   >>      C31232233133313221211113313331333133313331212111133133322331322122312   >>