C3123223313331322121111331333133313231333132212111111331331121111331321123311   >>    C312322331333132212111133133313331323133313221211111133133112111133132112331   <<    C3123223313331322121111331333133313231333132212111111331331121111331321123313   >>      C3123223313331322121111331333133313231333132212111111331331121111331321123312   >>