C3123223313331322121111331333133313231333132212111112111133113222321   >>    C312322331333132212111133133313331323133313221211111211113311322232   <<    C3123223313331322121111331333133313231333132212111112111133113222323   >>      C3123223313331322121111331333133313231333132212111112111133113222322   >>