C3123223313331322121111331333133313231333132212111112312111113221211   >>    C312322331333132212111133133313331323133313221211111231211111322121   <<    C3123223313331322121111331333133313231333132212111112312111113221213   >>      C3123223313331322121111331333133313231333132212111112312111113221212   >>