C111113331333132322331333133313331311331323133313221211111333132331211   >>    C11111333133313232233133313331333131133132313331322121111133313233121   <<    C111113331333132322331333133313331311331323133313221211111333132331213   >>      C111113331333132322331333133313331311331323133313221211111333132331212   >>