C313212111113331323312111133133313331333133313231333133313331333132322331323211   >>    C31321211111333132331211113313331333133313331323133313331333133313232233132321   <<    C313212111113331323312111133133313331333133313231333133313331333132322331323213   >>      C313212111113331323312111133133313331333133313231333133313331333132322331323212   >>