C31232233133313221211113313331333133313331212111133133313332332233313131   >>    C3123223313331322121111331333133313331333121211113313331333233223331313   <<    C31232233133313221211113313331333133313331212111133133313332332233313133   >>      C31232233133313221211113313331333133313331212111133133313332332233313132   >>