C312322331333132212111133133313331323133313221211111122112322331211   >>    C31232233133313221211113313331333132313331322121111112211232233121   <<    C312322331333132212111133133313331323133313221211111122112322331213   >>      C312322331333132212111133133313331323133313221211111122112322331212   >>