C1111233133313231133133313331333133313231312111133131211111231323221   >>    C111123313331323113313331333133313331323131211113313121111123132322   <<    C1111233133313231133133313331333133313231312111133131211111231323223   >>      C1111233133313231133133313331333133313231312111133131211111231323222   >>