C3123223313331322121111331333133313231333132212111133131122213233313231221   >>    C312322331333132212111133133313331323133313221211113313112221323331323122   <<    C3123223313331322121111331333133313231333132212111133131122213233313231223   >>      C3123223313331322121111331333133313231333132212111133131122213233313231222   >>