C1111133313331323223313331333133313331333131211113313332321323221   >>    C111113331333132322331333133313331333133313121111331333232132322   <<    C1111133313331323223313331333133313331333131211113313332321323223   >>      C1111133313331323223313331333133313331333131211113313332321323222   >>