B3311331313231311331322331333132313231333131323223313232221111321   >>    B331133131323131133132233133313231323133313132322331323222111132   <<    B3311331313231311331322331333132313231333131323223313232221111323   >>      B3311331313231311331322331333132313231333131323223313232221111322   >>