C222123232321333131133133313331323133313231323211113121313113221   >>    C22212323232133313113313331333132313331323132321111312131311322   <<    C222123232321333131133133313331323133313231323211113121313113223   >>      C222123232321333131133133313331323133313231323211113121313113222   >>