C1111233133313231133133313331333133313231232313331333131133133321   >>    C111123313331323113313331333133313331323123231333133313113313332   <<    C1111233133313231133133313331333133313231232313331333131133133323   >>      C1111233133313231133133313331333133313231232313331333131133133322   >>