C1111233131211111211113313331333132313231323223313331311331121321   >>    C111123313121111121111331333133313231323132322331333131133112132   <<    C1111233131211111211113313331333132313231323223313331311331121323   >>      C1111233131211111211113313331333132313231323223313331311331121322   >>