C111123313331323113313331333132313331311331312111111211331322132321   >>    C11112331333132311331333133313231333131133131211111121133132213232   <<    C111123313331323113313331333132313331311331312111111211331322132323   >>      C111123313331323113313331333132313331311331312111111211331322132322   >>