C31232233133313221211113313331333132313331323333321131211111333132322332112311   >>    C3123223313331322121111331333133313231333132333332113121111133313232233211231   <<    C31232233133313221211113313331333132313331323333321131211111333132322332112313   >>      C31232233133313221211113313331333132313331323333321131211111333132322332112312   >>