C1111233133313231133133313331333133313231232313331333132313233232131   >>    C111123313331323113313331333133313331323123231333133313231323323213   <<    C1111233133313231133133313331333133313231232313331333132313233232133   >>      C1111233133313231133133313331333133313231232313331333132313233232132   >>