C3123223313331322121111331333133313231333121111331333133323323112331   >>    C312322331333132212111133133313331323133312111133133313332332311233   <<    C3123223313331322121111331333133313231333121111331333133323323112333   >>      C3123223313331322121111331333133313231333121111331333133323323112332   >>