C3123223313331322121111331333133313231333132212111133131121123311   >>    C312322331333132212111133133313331323133313221211113313112112331   <<    C3123223313331322121111331333133313231333132212111133131121123313   >>      C3123223313331322121111331333133313231333132212111133131121123312   >>