C312322331333132212111133133313331323133313221211111321123232211   >>    C31232233133313221211113313331333132313331322121111132112323221   <<    C312322331333132212111133133313331323133313221211111321123232213   >>      C312322331333132212111133133313331323133313221211111321123232212   >>