C312322331333132212111133133313331323133313221211331333132311312131   >>    C31232233133313221211113313331333132313331322121133133313231131213   <<    C312322331333132212111133133313331323133313221211331333132311312133   >>      C312322331333132212111133133313331323133313221211331333132311312132   >>