C3123223313331322121111331333133313231333132212111133131231312111   >>    C312322331333132212111133133313331323133313221211113313123131211   <<    C3123223313331322121111331333133313231333132212111133131231312113   >>      C3123223313331322121111331333133313231333132212111133131231312112   >>