C312322331333132212111133133313331323133313221211111133132313231132231   >>    C31232233133313221211113313331333132313331322121111113313231323113223   <<    C312322331333132212111133133313331323133313221211111133132313231132233   >>      C312322331333132212111133133313331323133313221211111133132313231132232   >>