C312322331333132212111133133313331323133313331333133313331333133313311232212131   >>    C31232233133313221211113313331333132313331333133313331333133313331331123221213   <<    C312322331333132212111133133313331323133313331333133313331333133313311232212133   >>      C312322331333132212111133133313331323133313331333133313331333133313311232212132   >>