C3132121111133313233121111331333133313331333133313331333133313331333222223321   >>    C313212111113331323312111133133313331333133313331333133313331333133322222332   <<    C3132121111133313233121111331333133313331333133313331333133313331333222223323   >>      C3132121111133313233121111331333133313331333133313331333133313331333222223322   >>