C1111233133313231133133313331333133313231312111133133313233313331211321   >>    C111123313331323113313331333133313331323131211113313331323331333121132   <<    C1111233133313231133133313331333133313231312111133133313233313331211323   >>      C1111233133313231133133313331333133313231312111133133313233313331211322   >>