C11111333133313232233133313331333132313331323321313331323133313222211   >>    C1111133313331323223313331333133313231333132332131333132313331322221   <<    C11111333133313232233133313331333132313331323321313331323133313222213   >>      C11111333133313232233133313331333132313331323321313331323133313222212   >>