C111113331333132322331333133313331323132311211331121133132313121121   >>    C11111333133313232233133313331333132313231121133112113313231312112   <<    C111113331333132322331333133313331323132311211331121133132313121123   >>      C111113331333132322331333133313331323132311211331121133132313121122   >>