C312322331333132212111133133313331333133312121111331323221213311211   >>    C31232233133313221211113313331333133313331212111133132322121331121   <<    C312322331333132212111133133313331333133312121111331323221213311213   >>      C312322331333132212111133133313331333133312121111331323221213311212   >>