C312322331333132212111133133313331323133313221211111211111133133323231   >>    C31232233133313221211113313331333132313331322121111121111113313332323   <<    C312322331333132212111133133313331323133313221211111211111133133323233   >>      C312322331333132212111133133313331323133313221211111211111133133323232   >>