C312322331333132212111133133313331323133313221211331333132213231121211   >>    C31232233133313221211113313331333132313331322121133133313221323112121   <<    C312322331333132212111133133313331323133313221211331333132213231121213   >>      C312322331333132212111133133313331323133313221211331333132213231121212   >>