C111113331333132322331333133313331311233132212111133131333231211   >>    C11111333133313232233133313331333131123313221211113313133323121   <<    C111113331333132322331333133313331311233132212111133131333231213   >>      C111113331333132322331333133313331311233132212111133131333231212   >>