C3123223313331322121111331333133313231333132212113313331333123333231   >>    C312322331333132212111133133313331323133313221211331333133312333323   <<    C3123223313331322121111331333133313231333132212113313331333123333233   >>      C3123223313331322121111331333133313231333132212113313331333123333232   >>