C1111133313331323223313331333133313331323131211113313112132131121   >>    C111113331333132322331333133313331333132313121111331311213213112   <<    C1111133313331323223313331333133313331323131211113313112132131123   >>      C1111133313331323223313331333133313331323131211113313112132131122   >>