C1111233131211111211113313331333133313232212111133132313211331131321   >>    C111123313121111121111331333133313331323221211113313231321133113132   <<    C1111233131211111211113313331333133313232212111133132313211331131323   >>      C1111233131211111211113313331333133313232212111133132313211331131322   >>