C313212111113331323312111133133313331333133313331333133313231333133322331312111   >>    C31321211111333132331211113313331333133313331333133313331323133313332233131211   <<    C313212111113331323312111133133313331333133313331333133313231333133322331312113   >>      C313212111113331323312111133133313331333133313331333133313231333133322331312112   >>