C11111211113313112113313331333133313331312322121111133313331323121333132211   >>    C1111121111331311211331333133313331333131232212111113331333132312133313221   <<    C11111211113313112113313331333133313331312322121111133313331323121333132213   >>      C11111211113313112113313331333133313331312322121111133313331323121333132212   >>