C3123223313331322121111331333133313231333132212111133131211113311231   >>    C312322331333132212111133133313331323133313221211113313121111331123   <<    C3123223313331322121111331333133313231333132212111133131211113311233   >>      C3123223313331322121111331333133313231333132212111133131211113311232   >>