C31232233133313221211113313331333132313331323331333132313232232111133131323311   >>    C3123223313331322121111331333133313231333132333133313231323223211113313132331   <<    C31232233133313221211113313331333132313331323331333132313232232111133131323313   >>      C31232233133313221211113313331333132313331323331333132313232232111133131323312   >>