C3123223313331322121111331333133313231333132212111133133311221121231   >>    C312322331333132212111133133313331323133313221211113313331122112123   <<    C3123223313331322121111331333133313231333132212111133133311221121233   >>      C3123223313331322121111331333133313231333132212111133133311221121232   >>