C111113331333132322331333133313331311331323133112121111113313133112311   >>    C11111333133313232233133313331333131133132313311212111111331313311231   <<    C111113331333132322331333133313331311331323133112121111113313133112313   >>      C111113331333132322331333133313331311331323133112121111113313133112312   >>