B331133131323131133132233133313231323133313132322331333132313332212321   >>    B33113313132313113313223313331323132313331313232233133313231333221232   <<    B331133131323131133132233133313231323133313132322331333132313332212323   >>      B331133131323131133132233133313231323133313132322331333132313332212322   >>