C111113331333132322331333133313331311331323133112121111113313221231   >>    C11111333133313232233133313331333131133132313311212111111331322123   <<    C111113331333132322331333133313331311331323133112121111113313221233   >>      C111113331333132322331333133313331311331323133112121111113313221232   >>