C312322331333132212111133133313331323133313221211331323132323231   >>    C31232233133313221211113313331333132313331322121133132313232323   <<    C312322331333132212111133133313331323133313221211331323132323233   >>      C312322331333132212111133133313331323133313221211331323132323232   >>