C111113331333132322331333133313331311331323133313221211111132131211   >>    C11111333133313232233133313331333131133132313331322121111113213121   <<    C111113331333132322331333133313331311331323133313221211111132131213   >>      C111113331333132322331333133313331311331323133313221211111132131212   >>