C222123232321333131133133313331323133313231313231312223313222323321   >>    C22212323232133313113313331333132313331323131323131222331322232332   <<    C222123232321333131133133313331323133313231313231312223313222323323   >>      C222123232321333131133133313331323133313231313231312223313222323322   >>