C3123223313331322121111331333133313231333132212111112111111331331121333311   >>    C312322331333132212111133133313331323133313221211111211111133133112133331   <<    C3123223313331322121111331333133313231333132212111112111111331331121333313   >>      C3123223313331322121111331333133313231333132212111112111111331331121333312   >>