C3123223313331322121111331333133313231333132212111112111133131232222321   >>    C312322331333132212111133133313331323133313221211111211113313123222232   <<    C3123223313331322121111331333133313231333132212111112111133131232222323   >>      C3123223313331322121111331333133313231333132212111112111133131232222322   >>