C3123223313331322121111331333133313231333132212111112111111332323231211   >>    C312322331333132212111133133313331323133313221211111211111133232323121   <<    C3123223313331322121111331333133313231333132212111112111111332323231213   >>      C3123223313331322121111331333133313231333132212111112111111332323231212   >>