C3123223313331322121111331333133313231333132212111112331311331311312321   >>    C312322331333132212111133133313331323133313221211111233131133131131232   <<    C3123223313331322121111331333133313231333132212111112331311331311312323   >>      C3123223313331322121111331333133313231333132212111112331311331311312322   >>