C312322331333132212111133133313331323133313331333133313331333133112131221   >>    C31232233133313221211113313331333132313331333133313331333133313311213122   <<    C312322331333132212111133133313331323133313331333133313331333133112131223   >>      C312322331333132212111133133313331323133313331333133313331333133112131222   >>