C312322331333132212111133133313331323133313221211111221333132313223231   >>    C31232233133313221211113313331333132313331322121111122133313231322323   <<    C312322331333132212111133133313331323133313221211111221333132313223233   >>      C312322331333132212111133133313331323133313221211111221333132313223232   >>