C111113331333132322331333133313331311331323133112121111113313232131121   >>    C11111333133313232233133313331333131133132313311212111111331323213112   <<    C111113331333132322331333133313331311331323133112121111113313232131123   >>      C111113331333132322331333133313331311331323133112121111113313232131122   >>