C1111233131211111211113313331323133313231323223313331323322231323321   >>    C111123313121111121111331333132313331323132322331333132332223132332   <<    C1111233131211111211113313331323133313231323223313331323322231323323   >>      C1111233131211111211113313331323133313231323223313331323322231323322   >>