C31232233133313221211113313331333132313331322121111121111331311113323231   >>    C3123223313331322121111331333133313231333132212111112111133131111332323   <<    C31232233133313221211113313331333132313331322121111121111331311113323233   >>      C31232233133313221211113313331333132313331322121111121111331311113323232   >>