C111113331333132322331333133313331323133313233213133313121111121121133231   >>    C11111333133313232233133313331333132313331323321313331312111112112113323   <<    C111113331333132322331333133313331323133313233213133313121111121121133233   >>      C111113331333132322331333133313331323133313233213133313121111121121133232   >>