C312322331333132212111133133313331323133313221211111211331323132312231   >>    C31232233133313221211113313331333132313331322121111121133132313231223   <<    C312322331333132212111133133313331323133313221211111211331323132312233   >>      C312322331333132212111133133313331323133313221211111211331323132312232   >>