C3123223313331322121111331333133313231333132212111111332322333231   >>    C312322331333132212111133133313331323133313221211111133232233323   <<    C3123223313331322121111331333133313231333132212111111332322333233   >>      C3123223313331322121111331333133313231333132212111111332322333232   >>