C1111233131211111211113313231333133313331323221211111333132313331333131231131   >>    C111123313121111121111331323133313331333132322121111133313231333133313123113   <<    C1111233131211111211113313231333133313331323221211111333132313331333131231133   >>      C1111233131211111211113313231333133313331323221211111333132313331333131231132   >>