C222123232321333131133133313331323133313231323211113122332112221   >>    C22212323232133313113313331333132313331323132321111312233211222   <<    C222123232321333131133133313331323133313231323211113122332112223   >>      C222123232321333131133133313331323133313231323211113122332112222   >>