B33113313132313113313223313331323131333131133131133132322331323133322121
>>
B3311331313231311331322331333132313133313113313113313232233132313332212
<<
B33113313132313113313223313331323131333131133131133132322331323133322123
>>
B33113313132313113313223313331323131333131133131133132322331323133322122
>>