C3123223313331322121111331333133313231333132212111133133311221123221121   >>    C312322331333132212111133133313331323133313221211113313331122112322112   <<    C3123223313331322121111331333133313231333132212111133133311221123221123   >>      C3123223313331322121111331333133313231333132212111133133311221123221122   >>