C111123313121111121111331333133313231323132322331333132223112321   >>    C11112331312111112111133133313331323132313232233133313222311232   <<    C111123313121111121111331333133313231323132322331333132223112323   >>      C111123313121111121111331333133313231323132322331333132223112322   >>