C22213331333133313112331323133313331333133313232321333131211111133132312321   >>    C2221333133313331311233132313331333133313331323232133313121111113313231232   <<    C22213331333133313112331323133313331333133313232321333131211111133132312323   >>      C22213331333133313112331323133313331333133313232321333131211111133132312322   >>