C3123223313331322121111331333133313231333132212111111211331313223331   >>    C312322331333132212111133133313331323133313221211111121133131322333   <<    C3123223313331322121111331333133313231333132212111111211331313223333   >>      C3123223313331322121111331333133313231333132212111111211331313223332   >>