C31232233133313221211113313331333133313331212111133133322123231323311   >>    C3123223313331322121111331333133313331333121211113313332212323132331   <<    C31232233133313221211113313331333133313331212111133133322123231323313   >>      C31232233133313221211113313331333133313331212111133133322123231323312   >>