C111113331333132322331333133313331323133313233213133313331312111112232311   >>    C11111333133313232233133313331333132313331323321313331333131211111223231   <<    C111113331333132322331333133313331323133313233213133313331312111112232313   >>      C111113331333132322331333133313331323133313233213133313331312111112232312   >>