B331133131323131133132233133313231323133313132322331333132313232233132313332221   >>    B33113313132313113313223313331323132313331313232233133313231323223313231333222   <<    B331133131323131133132233133313231323133313132322331333132313232233132313332223   >>      B331133131323131133132233133313231323133313132322331333132313232233132313332222   >>