C111113331333132322331333133313331311331322211211113313231311233231   >>    C11111333133313232233133313331333131133132221121111331323131123323   <<    C111113331333132322331333133313331311331322211211113313231311233233   >>      C111113331333132322331333133313331311331322211211113313231311233232   >>