C232212111133133312331333133313121111331333133312111133132213111   >>    C23221211113313331233133313331312111133133313331211113313221311   <<    C232212111133133312331333133313121111331333133312111133132213113   >>      C232212111133133312331333133313121111331333133312111133132213112   >>