C3123223313331322121111331333133313231333132212113313331323132233131222331   >>    C312322331333132212111133133313331323133313221211331333132313223313122233   <<    C3123223313331322121111331333133313231333132212113313331323132233131222333   >>      C3123223313331322121111331333133313231333132212113313331323132233131222332   >>