C313212111113331323312111133133313331333133313331333133313231333132332223321   >>    C31321211111333132331211113313331333133313331333133313331323133313233222332   <<    C313212111113331323312111133133313331333133313331333133313231333132332223323   >>      C313212111113331323312111133133313331333133313331333133313231333132332223322   >>