C3123223313331322121111331333133313231333132212111112111133112221   >>    C312322331333132212111133133313331323133313221211111211113311222   <<    C3123223313331322121111331333133313231333132212111112111133112223   >>      C3123223313331322121111331333133313231333132212111112111133112222   >>