C313212111113331323312111133133313331333133313331333133313331333133322121111   >>    C31321211111333132331211113313331333133313331333133313331333133313332212111   <<    C313212111113331323312111133133313331333133313331333133313331333133322121113   >>      C313212111113331323312111133133313331333133313331333133313331333133322121112   >>