C312322331333132212111133133313331323133312111133133313123122231   >>    C31232233133313221211113313331333132313331211113313331312312223   <<    C312322331333132212111133133313331323133312111133133313123122233   >>      C312322331333132212111133133313331323133312111133133313123122232   >>