C3123223313331322121111331333133313231333132212111112113313223332332311331   >>    C312322331333132212111133133313331323133313221211111211331322333233231133   <<    C3123223313331322121111331333133313231333132212111112113313223332332311333   >>      C3123223313331322121111331333133313231333132212111112113313223332332311332   >>