C312322331333132212111133133313331323133313221211111121133221211   >>    C31232233133313221211113313331333132313331322121111112113322121   <<    C312322331333132212111133133313331323133313221211111121133221213   >>      C312322331333132212111133133313331323133313221211111121133221212   >>