C312322331333132212111133133313331323133313221211113312113322131   >>    C31232233133313221211113313331333132313331322121111331211332213   <<    C312322331333132212111133133313331323133313221211113312113322133   >>      C312322331333132212111133133313331323133313221211113312113322132   >>