C111113331333132322331333133313331323132311211331323132321123121121   >>    C11111333133313232233133313331333132313231121133132313232112312112   <<    C111113331333132322331333133313331323132311211331323132321123121123   >>      C111113331333132322331333133313331323132311211331323132321123121122   >>